web关键字-阿里云

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web简易开发(二){html5+php实现文件上传及通过关键字搜索已上传图片)} index.php (此处需要结合之前的文章验证是否登录:https://developer.aliyun.com/article/1481918?spm=a2c6h.13148508.setting.24.78f9...

关于 Web 应用的内联 css 和 scss 文件里的 var 关键字用法

为什么网站性能调优准则里都强调要 Use inline fonts and CSS instead of loading them asynchronously？网站性能优化的一个重要目标是尽可能地缩短页面加载时间，使用户可以更快地访问您的网站。加载字体和CSS样式表是构建页面的重要组成部分，但是它...

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有了这个扩展，我们无需手动打开Chrome开发者工具去模拟设备了：在Chrome web store里搜索关键字设备模拟器：

安装之后，点击Chrome工具栏里的黄色图标打开User-Agent的下拉选项：之后就会用选中的user-agent重新请求网页了。下图是我在笔记本电脑上用小米手机对应的user-agent去打开知乎网站的一个例子，可以看到屏幕下方出现了原本只有在移动设备上才能看到的提示：App内打开而正常的PC端...

web app 自适应方案总结关键字弹性布局之rem

关于rem，主要参考文档 1。腾讯ISUX (http://isux.tencent.com/web-app-rem.html) 2。http://www.w3cplus.com/css3/define-font-size-with-css3-rem 现在移动端 web a...

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Web应用防火墙（WAF）

适用于网站、H5、小程序等。全面应对被搜索引擎标识为危险；出现垃圾内容、恶意弹窗；域名劫持；Web应用漏洞；被挂马中毒；数据泄露；恶意注册灌水；被CC攻击导致Web应用崩溃或打不开；SQL注入、XSS跨站等攻击；爬虫等问题

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